Home / 26,864.11-40,222.32-20,270.35

Finding the Fourth Proportional to 26,864.11, 40,222.32 and 20,270.35

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Solution

The fourth proportional to 26,864.11, 40,222.32 and 20,270.35 is: 30,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,864.11 : 40,222.32 = 20,270.35 : x
  2. Step 2: Convert to fraction form
    26,864.11/40,222.32 = 20,270.35/x
  3. Step 3: Cross multiply
    26,864.11x = 40,222.32 × 20,270.35
  4. Step 4: Simplify right side
    26,864.11x = 815,320,504.21
  5. Step 5: Solve for x
    x = 815,320,504.21/26,864.11
  6. Step 6: Final answer
    x = 30,349.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.